Home / 18,127,728.08-25,016,787.60-9,868,325.48

Finding the Fourth Proportional to 18,127,728.08, 25,016,787.60 and 9,868,325.48

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Solution

The fourth proportional to 18,127,728.08, 25,016,787.60 and 9,868,325.48 is: 13,618,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,728.08 : 25,016,787.60 = 9,868,325.48 : x
  2. Step 2: Convert to fraction form
    18,127,728.08/25,016,787.60 = 9,868,325.48/x
  3. Step 3: Cross multiply
    18,127,728.08x = 25,016,787.60 × 9,868,325.48
  4. Step 4: Simplify right side
    18,127,728.08x = 246,873,802,500,828.06
  5. Step 5: Solve for x
    x = 246,873,802,500,828.06/18,127,728.08
  6. Step 6: Final answer
    x = 13,618,573.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.